how do I use lucas oil stop leak?

When you change your oil put the stop leak Quart in in place of 1 of the Quarts of oil,then drive regular till next oil change.Unless your leak is extreme Lucas will stop the leak. I've used all the Lucas products for years in my cars and my 18 wheeler before i retired. Now i still use it in my personal vehicles. Love that Lucas!

2 questions: Does this need to be added every oil change like other products? Is it really thick like Motor Honey? Thanks!!

If your leak stopped then discontinue use, if you still have a leak such as from your main seal then you'll keep using this every oil change until either you die or your car does first. It fixes small and small medium leaks. If it's medium it helps but you'll need it every oil change and large leaks it won't fix. My rear main seal is leaking and instead of removing the engine to fix it I will be using this on every oil change forever. Best of luck!

Can you use this on a Mercedes CLK320, 2004, and not hurt the engine?

The label says All engines. I have used it in a BMW 4.4 with no signs of any problems. Just don't exceed the 20% ratio of stopleak to oil.

Can i use both this and the lucas oil stabilizer at the same time?

I pulled this info from the vendor.Use Lucas Oil Stabilizer in gear oil to stop leaks, reduce operating temperatures and increase the life of the gear oil. Since it is pure petroleum, it can safely blend with all other automotive lubricants, even synthetics, ATF and mineral oil. It keeps old engines alive and new engines new.

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Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart

Product ID: 4100594

Details

Brand
Lucas Oil
Liquid Volume
1 Quarts
Package Information
Bottle
UPC
049807102784
Vehicle Service Type
Car

🔊Reduces engine noise & oil use

🔧Seal renewal without damage

🛢️Universal oil compatibility

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€ 48.45

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Keep your engine leak-free and cruising—because stopping leaks is the new flex!

SEAL RENEWAL POWER - Renews worn engine seals safely—no corrosion, no damage, just smooth performance.
NO HARMFUL SOLVENTS - Formulated without harsh chemicals, protecting your engine’s longevity and the environment.
ENGINE EFFICIENCY BOOST - Lowers oil consumption and engine noise while increasing oil pressure for a quieter, more efficient ride.
TRUSTED BY PROS DI YERS - Backed by thousands of positive reviews and trusted by mechanics for reliable minor leak fixes.
UNIVERSAL OIL COMPATIBILITY - Works seamlessly with petroleum, semi-synthetic, and full synthetic oils for ultimate convenience.

Lucas 10278 Engine Oil Stop Leak is a universal-fit, 1-quart additive designed to safely renew worn engine seals, reduce oil leaks, and improve engine performance without harmful solvents. Trusted by professionals and enthusiasts alike, it’s the go-to solution for minor leaks that keeps your vehicle running smoothly and quietly.

Specifications

ASIN	B001KXN3YQ
Automotive Fit Type	Universal Fit
Best Sellers Rank	#10,272 in Automotive ( See Top 100 in Automotive ) #50 in Powersports Engine Oil #1,041 in Powersports Parts
Brand Name	Lucas Oil
Compatible with Vehicle Type	Car
Container Type	Bottle
Customer Reviews	4.5 4.5 out of 5 stars (6,444)
Global Trade Identification Number	05014002120302
Included Components	1x 1 quart bottle
Item Type Name	oil stop leak
Item Weight	0.92 Kilograms
Liquid Volume	1 Quarts
Manufacturer	Lucas Oil
Manufacturer Part Number	10278
Manufacturer Warranty Description	Warranty
Model Number	10278
Size	Quart
UPC	049807102784
Unit Count	32.0 Fluid Ounces

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